These washers are for tubular sight-glasses on steam boilers and other high pressure aggressive applications. Typically, rubber sight-glass washers last only a few months before cracking & leaking but these tough Teflon washers are made to withstand higher temperatures and pressures than the EPDM rubber washers.
Teflon Washers ** Up to 450°
***Price Per Dozen***
Teflon washers below can be used on All Manufacturers Liquid Level Gauges. If Sizing for Conbraco you will need to follow the Conbraco series below.
20-600, 25-600, 20-700, 20-400
Size - 5/8"